Mylan sits next to 4 phonetic neighbors — Milan, Dylan, and Nolan are the closest matches by sound. Most share Mylan's Slavic cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"dear, gracious, beloved"
"supreme ruler"
"ruler of peace"
"one who illuminates, enlightener"
"from Scotland, Scotsman"
"surname derived from topographic ridge"
"life's path, quest"
"courageous, valiant"
"son of Rand, son of the shield-wolf"
"settlement by the pool"
"from Airelle (Norman place name)"
"guiding spirit"
"rhythm, flow, cadence"
"powerful ruler"
"descendant of the salmon"
"crooked nose, bent river"
"uncertain, possibly warrior spirit"
"supplanter, he who follows at the heel"
"resolute protector (if variant of Liam)"
"craftsman who works with metal"
"from Clare (Suffolk)"
Similar sound: These names share phonetic patterns with Mylan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Slavic mil origins, giving them the same cultural heritage as Mylan.
Rhythm: Mylan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.